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About Us

Rangaswamy & Associates, Inc. (RAI) headquartered in Louisville, Kentucky, is a Consulting Structural Engineering firm. The firm was organized in 1974 by Thangam Rangaswamy and Calvin Hatfield as Rangaswamy, Hatfield and Associates. In 1987, the firm was reorganized as Rangaswamy and Associates, Inc.

We specialize in structural engineering, planning and management consultancy ser vices. We handle small and large scale projects with the same uncompromising principles of integrity and quality. Dr. Thangam Rangaswamy, Ph. D., P.E., S.E., P.L.S. is a licensed civil and structural engineer with over forty years of experience in fo- rensic engineering, structural design and vibration engineering.



  • Structural Engineering
  • Special Inspection
  • Construction Inspection
  • Construction Management
  • Vibration Analysis
  • Computer Aided Design
  • Expert Witness
  • Forensic Analysis
  • Blast Resistant Design


Head Office

Suite 420,Landmark Building,
304 West Liberty Street,
Louisville,Kentucky 40202,USA.
Contact Number : (502) 589-2212
Fax : (502) 589-2240
E-Mail : robin@rangaswamy.com

Overseas Office (India)

Site No.25/26, Thangam House,
Phase 3, 5th Cross Street,
Rajivgandhi Nagar,Sowripalayam,
Coimbatore - 641 028.
Contact Number : (0422) - 4382212, 4382213
E-Mail : apsanandh@rangaswamy.com